Sequence 3. An = (-1)n+1 n² ASAP PO PLSS​

Answers 1

Answer:

What are the first four terms in the sequence an=3n-1?What are the first four terms in the sequence an=3n-1?The given sequence is an = 3n-1

for n=1 1st term is 3*1–1=2

for n=2 2nd term is 3*2–1 = 5

for n=3 3rd term is 3*3–1 = 8

for n=4 4th term is 3*4–1 = 11

Step-by-step explanation:

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Explanation:

what is the answer if you round off the place value of each number if the number is 68,936 and the underlined number is 8​

Step-by-step explanation:

Answer: 69,000

  • it's bc when the number on the right of the underlined number is 5-9 then u can add 1 to the underlined number & make all the right numbers to zero. But if the number on the right is only 0-4 u will change the underlined number to zero and change the right numbers to zero as well

hope u understand

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